Home / 8,557.29-11,807.89-4,779.97

Finding the Fourth Proportional to 8,557.29, 11,807.89 and 4,779.97

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Solution

The fourth proportional to 8,557.29, 11,807.89 and 4,779.97 is: 6,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.29 : 11,807.89 = 4,779.97 : x
  2. Step 2: Convert to fraction form
    8,557.29/11,807.89 = 4,779.97/x
  3. Step 3: Cross multiply
    8,557.29x = 11,807.89 × 4,779.97
  4. Step 4: Simplify right side
    8,557.29x = 56,441,371.74
  5. Step 5: Solve for x
    x = 56,441,371.74/8,557.29
  6. Step 6: Final answer
    x = 6,595.71

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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.