Home / 6,475.84-8,936.58-3,681.16

Finding the Fourth Proportional to 6,475.84, 8,936.58 and 3,681.16

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Solution

The fourth proportional to 6,475.84, 8,936.58 and 3,681.16 is: 5,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.84 : 8,936.58 = 3,681.16 : x
  2. Step 2: Convert to fraction form
    6,475.84/8,936.58 = 3,681.16/x
  3. Step 3: Cross multiply
    6,475.84x = 8,936.58 × 3,681.16
  4. Step 4: Simplify right side
    6,475.84x = 32,896,980.83
  5. Step 5: Solve for x
    x = 32,896,980.83/6,475.84
  6. Step 6: Final answer
    x = 5,079.96

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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.