Home / 9,114.10-12,575.73-5,135.02

Finding the Fourth Proportional to 9,114.10, 12,575.73 and 5,135.02

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Solution

The fourth proportional to 9,114.10, 12,575.73 and 5,135.02 is: 7,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.10 : 12,575.73 = 5,135.02 : x
  2. Step 2: Convert to fraction form
    9,114.10/12,575.73 = 5,135.02/x
  3. Step 3: Cross multiply
    9,114.10x = 12,575.73 × 5,135.02
  4. Step 4: Simplify right side
    9,114.10x = 64,576,625.06
  5. Step 5: Solve for x
    x = 64,576,625.06/9,114.10
  6. Step 6: Final answer
    x = 7,085.35

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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.