Home / 9,320.45-12,862.45-5,071.74

Finding the Fourth Proportional to 9,320.45, 12,862.45 and 5,071.74

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Solution

The fourth proportional to 9,320.45, 12,862.45 and 5,071.74 is: 6,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.45 : 12,862.45 = 5,071.74 : x
  2. Step 2: Convert to fraction form
    9,320.45/12,862.45 = 5,071.74/x
  3. Step 3: Cross multiply
    9,320.45x = 12,862.45 × 5,071.74
  4. Step 4: Simplify right side
    9,320.45x = 65,234,960.27
  5. Step 5: Solve for x
    x = 65,234,960.27/9,320.45
  6. Step 6: Final answer
    x = 6,999.13

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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.