Home / 5,637.52-7,779.85-3,513.91

Finding the Fourth Proportional to 5,637.52, 7,779.85 and 3,513.91

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Solution

The fourth proportional to 5,637.52, 7,779.85 and 3,513.91 is: 4,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.52 : 7,779.85 = 3,513.91 : x
  2. Step 2: Convert to fraction form
    5,637.52/7,779.85 = 3,513.91/x
  3. Step 3: Cross multiply
    5,637.52x = 7,779.85 × 3,513.91
  4. Step 4: Simplify right side
    5,637.52x = 27,337,692.71
  5. Step 5: Solve for x
    x = 27,337,692.71/5,637.52
  6. Step 6: Final answer
    x = 4,849.24

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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.