Home / 7,384.69-10,190.47-4,240.88

Finding the Fourth Proportional to 7,384.69, 10,190.47 and 4,240.88

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Solution

The fourth proportional to 7,384.69, 10,190.47 and 4,240.88 is: 5,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.69 : 10,190.47 = 4,240.88 : x
  2. Step 2: Convert to fraction form
    7,384.69/10,190.47 = 4,240.88/x
  3. Step 3: Cross multiply
    7,384.69x = 10,190.47 × 4,240.88
  4. Step 4: Simplify right side
    7,384.69x = 43,216,560.41
  5. Step 5: Solve for x
    x = 43,216,560.41/7,384.69
  6. Step 6: Final answer
    x = 5,852.18

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Half scale
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Double scale
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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.