Home / 9,107.02-12,570.15-5,330.80

Finding the Fourth Proportional to 9,107.02, 12,570.15 and 5,330.80

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Solution

The fourth proportional to 9,107.02, 12,570.15 and 5,330.80 is: 7,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.02 : 12,570.15 = 5,330.80 : x
  2. Step 2: Convert to fraction form
    9,107.02/12,570.15 = 5,330.80/x
  3. Step 3: Cross multiply
    9,107.02x = 12,570.15 × 5,330.80
  4. Step 4: Simplify right side
    9,107.02x = 67,008,955.62
  5. Step 5: Solve for x
    x = 67,008,955.62/9,107.02
  6. Step 6: Final answer
    x = 7,357.95

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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.