Home / 6,461.32-9,679.35-3,079.30

Finding the Fourth Proportional to 6,461.32, 9,679.35 and 3,079.30

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Solution

The fourth proportional to 6,461.32, 9,679.35 and 3,079.30 is: 4,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.32 : 9,679.35 = 3,079.30 : x
  2. Step 2: Convert to fraction form
    6,461.32/9,679.35 = 3,079.30/x
  3. Step 3: Cross multiply
    6,461.32x = 9,679.35 × 3,079.30
  4. Step 4: Simplify right side
    6,461.32x = 29,805,574.06
  5. Step 5: Solve for x
    x = 29,805,574.06/6,461.32
  6. Step 6: Final answer
    x = 4,612.93

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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.