Home / 9,317.10-12,857.60-5,125.35

Finding the Fourth Proportional to 9,317.10, 12,857.60 and 5,125.35

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Solution

The fourth proportional to 9,317.10, 12,857.60 and 5,125.35 is: 7,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.10 : 12,857.60 = 5,125.35 : x
  2. Step 2: Convert to fraction form
    9,317.10/12,857.60 = 5,125.35/x
  3. Step 3: Cross multiply
    9,317.10x = 12,857.60 × 5,125.35
  4. Step 4: Simplify right side
    9,317.10x = 65,899,700.16
  5. Step 5: Solve for x
    x = 65,899,700.16/9,317.10
  6. Step 6: Final answer
    x = 7,072.98

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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.