Home / 4,345.39-6,515.48-1,382.55

Finding the Fourth Proportional to 4,345.39, 6,515.48 and 1,382.55

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Solution

The fourth proportional to 4,345.39, 6,515.48 and 1,382.55 is: 2,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.39 : 6,515.48 = 1,382.55 : x
  2. Step 2: Convert to fraction form
    4,345.39/6,515.48 = 1,382.55/x
  3. Step 3: Cross multiply
    4,345.39x = 6,515.48 × 1,382.55
  4. Step 4: Simplify right side
    4,345.39x = 9,007,985.74
  5. Step 5: Solve for x
    x = 9,007,985.74/4,345.39
  6. Step 6: Final answer
    x = 2,073.00

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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.