Home / 9,317.96-12,858.78-5,126.18

Finding the Fourth Proportional to 9,317.96, 12,858.78 and 5,126.18

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Solution

The fourth proportional to 9,317.96, 12,858.78 and 5,126.18 is: 7,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.96 : 12,858.78 = 5,126.18 : x
  2. Step 2: Convert to fraction form
    9,317.96/12,858.78 = 5,126.18/x
  3. Step 3: Cross multiply
    9,317.96x = 12,858.78 × 5,126.18
  4. Step 4: Simplify right side
    9,317.96x = 65,916,420.86
  5. Step 5: Solve for x
    x = 65,916,420.86/9,317.96
  6. Step 6: Final answer
    x = 7,074.13

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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.