Home / 8,731.81-12,050.13-4,955.13

Finding the Fourth Proportional to 8,731.81, 12,050.13 and 4,955.13

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Solution

The fourth proportional to 8,731.81, 12,050.13 and 4,955.13 is: 6,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.81 : 12,050.13 = 4,955.13 : x
  2. Step 2: Convert to fraction form
    8,731.81/12,050.13 = 4,955.13/x
  3. Step 3: Cross multiply
    8,731.81x = 12,050.13 × 4,955.13
  4. Step 4: Simplify right side
    8,731.81x = 59,709,960.67
  5. Step 5: Solve for x
    x = 59,709,960.67/8,731.81
  6. Step 6: Final answer
    x = 6,838.22

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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.