Home / 6,155.40-9,232.96-1,538.40

Finding the Fourth Proportional to 6,155.40, 9,232.96 and 1,538.40

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Solution

The fourth proportional to 6,155.40, 9,232.96 and 1,538.40 is: 2,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.40 : 9,232.96 = 1,538.40 : x
  2. Step 2: Convert to fraction form
    6,155.40/9,232.96 = 1,538.40/x
  3. Step 3: Cross multiply
    6,155.40x = 9,232.96 × 1,538.40
  4. Step 4: Simplify right side
    6,155.40x = 14,203,985.66
  5. Step 5: Solve for x
    x = 14,203,985.66/6,155.40
  6. Step 6: Final answer
    x = 2,307.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.