Home / 7,487.60-10,332.93-4,130.51

Finding the Fourth Proportional to 7,487.60, 10,332.93 and 4,130.51

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Solution

The fourth proportional to 7,487.60, 10,332.93 and 4,130.51 is: 5,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.60 : 10,332.93 = 4,130.51 : x
  2. Step 2: Convert to fraction form
    7,487.60/10,332.93 = 4,130.51/x
  3. Step 3: Cross multiply
    7,487.60x = 10,332.93 × 4,130.51
  4. Step 4: Simplify right side
    7,487.60x = 42,680,270.69
  5. Step 5: Solve for x
    x = 42,680,270.69/7,487.60
  6. Step 6: Final answer
    x = 5,700.13

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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.