Home / 9,030.74-12,456.72-6,508.22

Finding the Fourth Proportional to 9,030.74, 12,456.72 and 6,508.22

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Solution

The fourth proportional to 9,030.74, 12,456.72 and 6,508.22 is: 8,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.74 : 12,456.72 = 6,508.22 : x
  2. Step 2: Convert to fraction form
    9,030.74/12,456.72 = 6,508.22/x
  3. Step 3: Cross multiply
    9,030.74x = 12,456.72 × 6,508.22
  4. Step 4: Simplify right side
    9,030.74x = 81,071,011.95
  5. Step 5: Solve for x
    x = 81,071,011.95/9,030.74
  6. Step 6: Final answer
    x = 8,977.23

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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.