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Finding the Fourth Proportional to 6,931.58, 10,388.27 and 6,051.84

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Solution

The fourth proportional to 6,931.58, 10,388.27 and 6,051.84 is: 9,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.58 : 10,388.27 = 6,051.84 : x
  2. Step 2: Convert to fraction form
    6,931.58/10,388.27 = 6,051.84/x
  3. Step 3: Cross multiply
    6,931.58x = 10,388.27 × 6,051.84
  4. Step 4: Simplify right side
    6,931.58x = 62,868,117.66
  5. Step 5: Solve for x
    x = 62,868,117.66/6,931.58
  6. Step 6: Final answer
    x = 9,069.82

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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.