Home / 9,878.49-14,818.02-4,328.97

Finding the Fourth Proportional to 9,878.49, 14,818.02 and 4,328.97

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Solution

The fourth proportional to 9,878.49, 14,818.02 and 4,328.97 is: 6,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.49 : 14,818.02 = 4,328.97 : x
  2. Step 2: Convert to fraction form
    9,878.49/14,818.02 = 4,328.97/x
  3. Step 3: Cross multiply
    9,878.49x = 14,818.02 × 4,328.97
  4. Step 4: Simplify right side
    9,878.49x = 64,146,764.04
  5. Step 5: Solve for x
    x = 64,146,764.04/9,878.49
  6. Step 6: Final answer
    x = 6,493.58

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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.