Home / 9,130.23-12,598.62-5,151.09

Finding the Fourth Proportional to 9,130.23, 12,598.62 and 5,151.09

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Solution

The fourth proportional to 9,130.23, 12,598.62 and 5,151.09 is: 7,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.23 : 12,598.62 = 5,151.09 : x
  2. Step 2: Convert to fraction form
    9,130.23/12,598.62 = 5,151.09/x
  3. Step 3: Cross multiply
    9,130.23x = 12,598.62 × 5,151.09
  4. Step 4: Simplify right side
    9,130.23x = 64,896,625.50
  5. Step 5: Solve for x
    x = 64,896,625.50/9,130.23
  6. Step 6: Final answer
    x = 7,107.89

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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.