Home / 9,269.04-12,790.80-5,077.20

Finding the Fourth Proportional to 9,269.04, 12,790.80 and 5,077.20

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Solution

The fourth proportional to 9,269.04, 12,790.80 and 5,077.20 is: 7,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.04 : 12,790.80 = 5,077.20 : x
  2. Step 2: Convert to fraction form
    9,269.04/12,790.80 = 5,077.20/x
  3. Step 3: Cross multiply
    9,269.04x = 12,790.80 × 5,077.20
  4. Step 4: Simplify right side
    9,269.04x = 64,941,449.76
  5. Step 5: Solve for x
    x = 64,941,449.76/9,269.04
  6. Step 6: Final answer
    x = 7,006.28

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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.