Home / 7,496.21-10,344.63-4,139.13

Finding the Fourth Proportional to 7,496.21, 10,344.63 and 4,139.13

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Solution

The fourth proportional to 7,496.21, 10,344.63 and 4,139.13 is: 5,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.21 : 10,344.63 = 4,139.13 : x
  2. Step 2: Convert to fraction form
    7,496.21/10,344.63 = 4,139.13/x
  3. Step 3: Cross multiply
    7,496.21x = 10,344.63 × 4,139.13
  4. Step 4: Simplify right side
    7,496.21x = 42,817,768.37
  5. Step 5: Solve for x
    x = 42,817,768.37/7,496.21
  6. Step 6: Final answer
    x = 5,711.92

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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.