Home / 7,288.90-10,927.35-3,132.10

Finding the Fourth Proportional to 7,288.90, 10,927.35 and 3,132.10

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Solution

The fourth proportional to 7,288.90, 10,927.35 and 3,132.10 is: 4,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.90 : 10,927.35 = 3,132.10 : x
  2. Step 2: Convert to fraction form
    7,288.90/10,927.35 = 3,132.10/x
  3. Step 3: Cross multiply
    7,288.90x = 10,927.35 × 3,132.10
  4. Step 4: Simplify right side
    7,288.90x = 34,225,552.94
  5. Step 5: Solve for x
    x = 34,225,552.94/7,288.90
  6. Step 6: Final answer
    x = 4,695.57

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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.