Home / 4,507.32-6,758.54-1,386.39

Finding the Fourth Proportional to 4,507.32, 6,758.54 and 1,386.39

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Solution

The fourth proportional to 4,507.32, 6,758.54 and 1,386.39 is: 2,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.32 : 6,758.54 = 1,386.39 : x
  2. Step 2: Convert to fraction form
    4,507.32/6,758.54 = 1,386.39/x
  3. Step 3: Cross multiply
    4,507.32x = 6,758.54 × 1,386.39
  4. Step 4: Simplify right side
    4,507.32x = 9,369,931.55
  5. Step 5: Solve for x
    x = 9,369,931.55/4,507.32
  6. Step 6: Final answer
    x = 2,078.83

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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.