Home / 9,317.53-12,858.19-5,125.78

Finding the Fourth Proportional to 9,317.53, 12,858.19 and 5,125.78

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Solution

The fourth proportional to 9,317.53, 12,858.19 and 5,125.78 is: 7,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.53 : 12,858.19 = 5,125.78 : x
  2. Step 2: Convert to fraction form
    9,317.53/12,858.19 = 5,125.78/x
  3. Step 3: Cross multiply
    9,317.53x = 12,858.19 × 5,125.78
  4. Step 4: Simplify right side
    9,317.53x = 65,908,285.23
  5. Step 5: Solve for x
    x = 65,908,285.23/9,317.53
  6. Step 6: Final answer
    x = 7,073.58

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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.