Home / 7,487.12-10,332.21-4,300.63

Finding the Fourth Proportional to 7,487.12, 10,332.21 and 4,300.63

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Solution

The fourth proportional to 7,487.12, 10,332.21 and 4,300.63 is: 5,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.12 : 10,332.21 = 4,300.63 : x
  2. Step 2: Convert to fraction form
    7,487.12/10,332.21 = 4,300.63/x
  3. Step 3: Cross multiply
    7,487.12x = 10,332.21 × 4,300.63
  4. Step 4: Simplify right side
    7,487.12x = 44,434,939.13
  5. Step 5: Solve for x
    x = 44,434,939.13/7,487.12
  6. Step 6: Final answer
    x = 5,934.85

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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.