Home / 6,475.04-8,935.68-3,680.64

Finding the Fourth Proportional to 6,475.04, 8,935.68 and 3,680.64

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Solution

The fourth proportional to 6,475.04, 8,935.68 and 3,680.64 is: 5,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.04 : 8,935.68 = 3,680.64 : x
  2. Step 2: Convert to fraction form
    6,475.04/8,935.68 = 3,680.64/x
  3. Step 3: Cross multiply
    6,475.04x = 8,935.68 × 3,680.64
  4. Step 4: Simplify right side
    6,475.04x = 32,889,021.24
  5. Step 5: Solve for x
    x = 32,889,021.24/6,475.04
  6. Step 6: Final answer
    x = 5,079.35

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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.