Home / 7,087.50-10,631.28-2,470.50

Finding the Fourth Proportional to 7,087.50, 10,631.28 and 2,470.50

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Solution

The fourth proportional to 7,087.50, 10,631.28 and 2,470.50 is: 3,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.50 : 10,631.28 = 2,470.50 : x
  2. Step 2: Convert to fraction form
    7,087.50/10,631.28 = 2,470.50/x
  3. Step 3: Cross multiply
    7,087.50x = 10,631.28 × 2,470.50
  4. Step 4: Simplify right side
    7,087.50x = 26,264,577.24
  5. Step 5: Solve for x
    x = 26,264,577.24/7,087.50
  6. Step 6: Final answer
    x = 3,705.76

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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.