Home / 5,089.57-7,631.85-1,802.19

Finding the Fourth Proportional to 5,089.57, 7,631.85 and 1,802.19

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Solution

The fourth proportional to 5,089.57, 7,631.85 and 1,802.19 is: 2,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.57 : 7,631.85 = 1,802.19 : x
  2. Step 2: Convert to fraction form
    5,089.57/7,631.85 = 1,802.19/x
  3. Step 3: Cross multiply
    5,089.57x = 7,631.85 × 1,802.19
  4. Step 4: Simplify right side
    5,089.57x = 13,754,043.75
  5. Step 5: Solve for x
    x = 13,754,043.75/5,089.57
  6. Step 6: Final answer
    x = 2,702.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.