Home / 7,763.28-10,712.70-4,618.86

Finding the Fourth Proportional to 7,763.28, 10,712.70 and 4,618.86

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Solution

The fourth proportional to 7,763.28, 10,712.70 and 4,618.86 is: 6,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.28 : 10,712.70 = 4,618.86 : x
  2. Step 2: Convert to fraction form
    7,763.28/10,712.70 = 4,618.86/x
  3. Step 3: Cross multiply
    7,763.28x = 10,712.70 × 4,618.86
  4. Step 4: Simplify right side
    7,763.28x = 49,480,461.52
  5. Step 5: Solve for x
    x = 49,480,461.52/7,763.28
  6. Step 6: Final answer
    x = 6,373.65

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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.