Home / 5,280.87-7,283.53-3,687.00

Finding the Fourth Proportional to 5,280.87, 7,283.53 and 3,687.00

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Solution

The fourth proportional to 5,280.87, 7,283.53 and 3,687.00 is: 5,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.87 : 7,283.53 = 3,687.00 : x
  2. Step 2: Convert to fraction form
    5,280.87/7,283.53 = 3,687.00/x
  3. Step 3: Cross multiply
    5,280.87x = 7,283.53 × 3,687.00
  4. Step 4: Simplify right side
    5,280.87x = 26,854,352.41
  5. Step 5: Solve for x
    x = 26,854,352.41/5,280.87
  6. Step 6: Final answer
    x = 5,085.21

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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.