Home / 7,269.44-10,026.40-4,909.12

Finding the Fourth Proportional to 7,269.44, 10,026.40 and 4,909.12

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Solution

The fourth proportional to 7,269.44, 10,026.40 and 4,909.12 is: 6,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.44 : 10,026.40 = 4,909.12 : x
  2. Step 2: Convert to fraction form
    7,269.44/10,026.40 = 4,909.12/x
  3. Step 3: Cross multiply
    7,269.44x = 10,026.40 × 4,909.12
  4. Step 4: Simplify right side
    7,269.44x = 49,220,800.77
  5. Step 5: Solve for x
    x = 49,220,800.77/7,269.44
  6. Step 6: Final answer
    x = 6,770.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.