Home / 8,990.32-13,487.93-2,750.19

Finding the Fourth Proportional to 8,990.32, 13,487.93 and 2,750.19

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Solution

The fourth proportional to 8,990.32, 13,487.93 and 2,750.19 is: 4,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.32 : 13,487.93 = 2,750.19 : x
  2. Step 2: Convert to fraction form
    8,990.32/13,487.93 = 2,750.19/x
  3. Step 3: Cross multiply
    8,990.32x = 13,487.93 × 2,750.19
  4. Step 4: Simplify right side
    8,990.32x = 37,094,417.35
  5. Step 5: Solve for x
    x = 37,094,417.35/8,990.32
  6. Step 6: Final answer
    x = 4,126.04

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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.