Home / 6,178.55-9,309.98-5,106.92

Finding the Fourth Proportional to 6,178.55, 9,309.98 and 5,106.92

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Solution

The fourth proportional to 6,178.55, 9,309.98 and 5,106.92 is: 7,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.55 : 9,309.98 = 5,106.92 : x
  2. Step 2: Convert to fraction form
    6,178.55/9,309.98 = 5,106.92/x
  3. Step 3: Cross multiply
    6,178.55x = 9,309.98 × 5,106.92
  4. Step 4: Simplify right side
    6,178.55x = 47,545,312.55
  5. Step 5: Solve for x
    x = 47,545,312.55/6,178.55
  6. Step 6: Final answer
    x = 7,695.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.