Home / 5,875.35-8,812.89-1,715.19

Finding the Fourth Proportional to 5,875.35, 8,812.89 and 1,715.19

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Solution

The fourth proportional to 5,875.35, 8,812.89 and 1,715.19 is: 2,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.35 : 8,812.89 = 1,715.19 : x
  2. Step 2: Convert to fraction form
    5,875.35/8,812.89 = 1,715.19/x
  3. Step 3: Cross multiply
    5,875.35x = 8,812.89 × 1,715.19
  4. Step 4: Simplify right side
    5,875.35x = 15,115,780.80
  5. Step 5: Solve for x
    x = 15,115,780.80/5,875.35
  6. Step 6: Final answer
    x = 2,572.75

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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.