Home / 7,685.22-10,605.81-4,701.00

Finding the Fourth Proportional to 7,685.22, 10,605.81 and 4,701.00

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Solution

The fourth proportional to 7,685.22, 10,605.81 and 4,701.00 is: 6,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.22 : 10,605.81 = 4,701.00 : x
  2. Step 2: Convert to fraction form
    7,685.22/10,605.81 = 4,701.00/x
  3. Step 3: Cross multiply
    7,685.22x = 10,605.81 × 4,701.00
  4. Step 4: Simplify right side
    7,685.22x = 49,857,859.78
  5. Step 5: Solve for x
    x = 49,857,859.78/7,685.22
  6. Step 6: Final answer
    x = 6,487.50

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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.