Home / 5,637.08-7,779.18-3,153.08

Finding the Fourth Proportional to 5,637.08, 7,779.18 and 3,153.08

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Solution

The fourth proportional to 5,637.08, 7,779.18 and 3,153.08 is: 4,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.08 : 7,779.18 = 3,153.08 : x
  2. Step 2: Convert to fraction form
    5,637.08/7,779.18 = 3,153.08/x
  3. Step 3: Cross multiply
    5,637.08x = 7,779.18 × 3,153.08
  4. Step 4: Simplify right side
    5,637.08x = 24,528,376.87
  5. Step 5: Solve for x
    x = 24,528,376.87/5,637.08
  6. Step 6: Final answer
    x = 4,351.26

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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.