Home / 7,500.81-11,250.06-2,569.32

Finding the Fourth Proportional to 7,500.81, 11,250.06 and 2,569.32

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Solution

The fourth proportional to 7,500.81, 11,250.06 and 2,569.32 is: 3,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.81 : 11,250.06 = 2,569.32 : x
  2. Step 2: Convert to fraction form
    7,500.81/11,250.06 = 2,569.32/x
  3. Step 3: Cross multiply
    7,500.81x = 11,250.06 × 2,569.32
  4. Step 4: Simplify right side
    7,500.81x = 28,905,004.16
  5. Step 5: Solve for x
    x = 28,905,004.16/7,500.81
  6. Step 6: Final answer
    x = 3,853.58

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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.