Home / 8,278.52-11,423.10-4,693.28

Finding the Fourth Proportional to 8,278.52, 11,423.10 and 4,693.28

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Solution

The fourth proportional to 8,278.52, 11,423.10 and 4,693.28 is: 6,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.52 : 11,423.10 = 4,693.28 : x
  2. Step 2: Convert to fraction form
    8,278.52/11,423.10 = 4,693.28/x
  3. Step 3: Cross multiply
    8,278.52x = 11,423.10 × 4,693.28
  4. Step 4: Simplify right side
    8,278.52x = 53,611,806.77
  5. Step 5: Solve for x
    x = 53,611,806.77/8,278.52
  6. Step 6: Final answer
    x = 6,476.01

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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.