Home / 6,484.74-9,718.90-4,143.84

Finding the Fourth Proportional to 6,484.74, 9,718.90 and 4,143.84

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Solution

The fourth proportional to 6,484.74, 9,718.90 and 4,143.84 is: 6,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.74 : 9,718.90 = 4,143.84 : x
  2. Step 2: Convert to fraction form
    6,484.74/9,718.90 = 4,143.84/x
  3. Step 3: Cross multiply
    6,484.74x = 9,718.90 × 4,143.84
  4. Step 4: Simplify right side
    6,484.74x = 40,273,566.58
  5. Step 5: Solve for x
    x = 40,273,566.58/6,484.74
  6. Step 6: Final answer
    x = 6,210.51

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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.