Home / 4,988.45-6,886.93-3,312.12

Finding the Fourth Proportional to 4,988.45, 6,886.93 and 3,312.12

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Solution

The fourth proportional to 4,988.45, 6,886.93 and 3,312.12 is: 4,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.45 : 6,886.93 = 3,312.12 : x
  2. Step 2: Convert to fraction form
    4,988.45/6,886.93 = 3,312.12/x
  3. Step 3: Cross multiply
    4,988.45x = 6,886.93 × 3,312.12
  4. Step 4: Simplify right side
    4,988.45x = 22,810,338.59
  5. Step 5: Solve for x
    x = 22,810,338.59/4,988.45
  6. Step 6: Final answer
    x = 4,572.63

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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.