Home / 5,038.85-7,555.32-1,527.80

Finding the Fourth Proportional to 5,038.85, 7,555.32 and 1,527.80

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Solution

The fourth proportional to 5,038.85, 7,555.32 and 1,527.80 is: 2,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.85 : 7,555.32 = 1,527.80 : x
  2. Step 2: Convert to fraction form
    5,038.85/7,555.32 = 1,527.80/x
  3. Step 3: Cross multiply
    5,038.85x = 7,555.32 × 1,527.80
  4. Step 4: Simplify right side
    5,038.85x = 11,543,017.90
  5. Step 5: Solve for x
    x = 11,543,017.90/5,038.85
  6. Step 6: Final answer
    x = 2,290.80

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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.