Home / 9,269.04-12,790.06-5,289.92

Finding the Fourth Proportional to 9,269.04, 12,790.06 and 5,289.92

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Solution

The fourth proportional to 9,269.04, 12,790.06 and 5,289.92 is: 7,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.04 : 12,790.06 = 5,289.92 : x
  2. Step 2: Convert to fraction form
    9,269.04/12,790.06 = 5,289.92/x
  3. Step 3: Cross multiply
    9,269.04x = 12,790.06 × 5,289.92
  4. Step 4: Simplify right side
    9,269.04x = 67,658,394.20
  5. Step 5: Solve for x
    x = 67,658,394.20/9,269.04
  6. Step 6: Final answer
    x = 7,299.40

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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.