Home / 7,497.28-10,346.28-4,140.21

Finding the Fourth Proportional to 7,497.28, 10,346.28 and 4,140.21

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Solution

The fourth proportional to 7,497.28, 10,346.28 and 4,140.21 is: 5,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.28 : 10,346.28 = 4,140.21 : x
  2. Step 2: Convert to fraction form
    7,497.28/10,346.28 = 4,140.21/x
  3. Step 3: Cross multiply
    7,497.28x = 10,346.28 × 4,140.21
  4. Step 4: Simplify right side
    7,497.28x = 42,835,818.48
  5. Step 5: Solve for x
    x = 42,835,818.48/7,497.28
  6. Step 6: Final answer
    x = 5,713.51

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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.