Home / 4,406.46-6,079.95-2,990.40

Finding the Fourth Proportional to 4,406.46, 6,079.95 and 2,990.40

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Solution

The fourth proportional to 4,406.46, 6,079.95 and 2,990.40 is: 4,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.46 : 6,079.95 = 2,990.40 : x
  2. Step 2: Convert to fraction form
    4,406.46/6,079.95 = 2,990.40/x
  3. Step 3: Cross multiply
    4,406.46x = 6,079.95 × 2,990.40
  4. Step 4: Simplify right side
    4,406.46x = 18,181,482.48
  5. Step 5: Solve for x
    x = 18,181,482.48/4,406.46
  6. Step 6: Final answer
    x = 4,126.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.