Home / 6,357.28-8,771.52-4,866.88

Finding the Fourth Proportional to 6,357.28, 8,771.52 and 4,866.88

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Solution

The fourth proportional to 6,357.28, 8,771.52 and 4,866.88 is: 6,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.28 : 8,771.52 = 4,866.88 : x
  2. Step 2: Convert to fraction form
    6,357.28/8,771.52 = 4,866.88/x
  3. Step 3: Cross multiply
    6,357.28x = 8,771.52 × 4,866.88
  4. Step 4: Simplify right side
    6,357.28x = 42,689,935.26
  5. Step 5: Solve for x
    x = 42,689,935.26/6,357.28
  6. Step 6: Final answer
    x = 6,715.13

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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.