Home / 5,312.47-7,972.23-3,559.36

Finding the Fourth Proportional to 5,312.47, 7,972.23 and 3,559.36

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Solution

The fourth proportional to 5,312.47, 7,972.23 and 3,559.36 is: 5,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.47 : 7,972.23 = 3,559.36 : x
  2. Step 2: Convert to fraction form
    5,312.47/7,972.23 = 3,559.36/x
  3. Step 3: Cross multiply
    5,312.47x = 7,972.23 × 3,559.36
  4. Step 4: Simplify right side
    5,312.47x = 28,376,036.57
  5. Step 5: Solve for x
    x = 28,376,036.57/5,312.47
  6. Step 6: Final answer
    x = 5,341.40

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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.