Home / 6,316.04-8,714.28-4,079.20

Finding the Fourth Proportional to 6,316.04, 8,714.28 and 4,079.20

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Solution

The fourth proportional to 6,316.04, 8,714.28 and 4,079.20 is: 5,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.04 : 8,714.28 = 4,079.20 : x
  2. Step 2: Convert to fraction form
    6,316.04/8,714.28 = 4,079.20/x
  3. Step 3: Cross multiply
    6,316.04x = 8,714.28 × 4,079.20
  4. Step 4: Simplify right side
    6,316.04x = 35,547,290.98
  5. Step 5: Solve for x
    x = 35,547,290.98/6,316.04
  6. Step 6: Final answer
    x = 5,628.10

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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.