Home / 4,779.81-6,590.43-4,115.52

Finding the Fourth Proportional to 4,779.81, 6,590.43 and 4,115.52

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Solution

The fourth proportional to 4,779.81, 6,590.43 and 4,115.52 is: 5,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.81 : 6,590.43 = 4,115.52 : x
  2. Step 2: Convert to fraction form
    4,779.81/6,590.43 = 4,115.52/x
  3. Step 3: Cross multiply
    4,779.81x = 6,590.43 × 4,115.52
  4. Step 4: Simplify right side
    4,779.81x = 27,123,046.47
  5. Step 5: Solve for x
    x = 27,123,046.47/4,779.81
  6. Step 6: Final answer
    x = 5,674.50

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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.