Home / 8,758.08-13,127.81-4,365.72

Finding the Fourth Proportional to 8,758.08, 13,127.81 and 4,365.72

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Solution

The fourth proportional to 8,758.08, 13,127.81 and 4,365.72 is: 6,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.08 : 13,127.81 = 4,365.72 : x
  2. Step 2: Convert to fraction form
    8,758.08/13,127.81 = 4,365.72/x
  3. Step 3: Cross multiply
    8,758.08x = 13,127.81 × 4,365.72
  4. Step 4: Simplify right side
    8,758.08x = 57,312,320.84
  5. Step 5: Solve for x
    x = 57,312,320.84/8,758.08
  6. Step 6: Final answer
    x = 6,543.94

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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.