Home / 6,681.62-9,211.02-4,685.99

Finding the Fourth Proportional to 6,681.62, 9,211.02 and 4,685.99

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Solution

The fourth proportional to 6,681.62, 9,211.02 and 4,685.99 is: 6,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.62 : 9,211.02 = 4,685.99 : x
  2. Step 2: Convert to fraction form
    6,681.62/9,211.02 = 4,685.99/x
  3. Step 3: Cross multiply
    6,681.62x = 9,211.02 × 4,685.99
  4. Step 4: Simplify right side
    6,681.62x = 43,162,683.98
  5. Step 5: Solve for x
    x = 43,162,683.98/6,681.62
  6. Step 6: Final answer
    x = 6,459.91

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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.