Home / 7,488.42-10,334.13-4,131.23

Finding the Fourth Proportional to 7,488.42, 10,334.13 and 4,131.23

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Solution

The fourth proportional to 7,488.42, 10,334.13 and 4,131.23 is: 5,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.42 : 10,334.13 = 4,131.23 : x
  2. Step 2: Convert to fraction form
    7,488.42/10,334.13 = 4,131.23/x
  3. Step 3: Cross multiply
    7,488.42x = 10,334.13 × 4,131.23
  4. Step 4: Simplify right side
    7,488.42x = 42,692,616.21
  5. Step 5: Solve for x
    x = 42,692,616.21/7,488.42
  6. Step 6: Final answer
    x = 5,701.15

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Half scale
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Double scale
Find fourth proportional to 7,489.42, 10,335.51 and 4,132.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.