Home / 7,503.28-11,255.40-2,886.28

Finding the Fourth Proportional to 7,503.28, 11,255.40 and 2,886.28

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Solution

The fourth proportional to 7,503.28, 11,255.40 and 2,886.28 is: 4,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.28 : 11,255.40 = 2,886.28 : x
  2. Step 2: Convert to fraction form
    7,503.28/11,255.40 = 2,886.28/x
  3. Step 3: Cross multiply
    7,503.28x = 11,255.40 × 2,886.28
  4. Step 4: Simplify right side
    7,503.28x = 32,486,235.91
  5. Step 5: Solve for x
    x = 32,486,235.91/7,503.28
  6. Step 6: Final answer
    x = 4,329.60

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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.