Home / 5,287.68-7,931.52-1,823.04

Finding the Fourth Proportional to 5,287.68, 7,931.52 and 1,823.04

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Solution

The fourth proportional to 5,287.68, 7,931.52 and 1,823.04 is: 2,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.68 : 7,931.52 = 1,823.04 : x
  2. Step 2: Convert to fraction form
    5,287.68/7,931.52 = 1,823.04/x
  3. Step 3: Cross multiply
    5,287.68x = 7,931.52 × 1,823.04
  4. Step 4: Simplify right side
    5,287.68x = 14,459,478.22
  5. Step 5: Solve for x
    x = 14,459,478.22/5,287.68
  6. Step 6: Final answer
    x = 2,734.56

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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.