Home / 9,315.42-13,953.02-4,377.66

Finding the Fourth Proportional to 9,315.42, 13,953.02 and 4,377.66

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Solution

The fourth proportional to 9,315.42, 13,953.02 and 4,377.66 is: 6,557.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.42 : 13,953.02 = 4,377.66 : x
  2. Step 2: Convert to fraction form
    9,315.42/13,953.02 = 4,377.66/x
  3. Step 3: Cross multiply
    9,315.42x = 13,953.02 × 4,377.66
  4. Step 4: Simplify right side
    9,315.42x = 61,081,577.53
  5. Step 5: Solve for x
    x = 61,081,577.53/9,315.42
  6. Step 6: Final answer
    x = 6,557.04

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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.