Home / 9,129.08-12,598.02-5,150.60

Finding the Fourth Proportional to 9,129.08, 12,598.02 and 5,150.60

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Solution

The fourth proportional to 9,129.08, 12,598.02 and 5,150.60 is: 7,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.08 : 12,598.02 = 5,150.60 : x
  2. Step 2: Convert to fraction form
    9,129.08/12,598.02 = 5,150.60/x
  3. Step 3: Cross multiply
    9,129.08x = 12,598.02 × 5,150.60
  4. Step 4: Simplify right side
    9,129.08x = 64,887,361.81
  5. Step 5: Solve for x
    x = 64,887,361.81/9,129.08
  6. Step 6: Final answer
    x = 7,107.77

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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.