Home / 5,116.19-7,628.23-4,988.63

Finding the Fourth Proportional to 5,116.19, 7,628.23 and 4,988.63

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Solution

The fourth proportional to 5,116.19, 7,628.23 and 4,988.63 is: 7,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.19 : 7,628.23 = 4,988.63 : x
  2. Step 2: Convert to fraction form
    5,116.19/7,628.23 = 4,988.63/x
  3. Step 3: Cross multiply
    5,116.19x = 7,628.23 × 4,988.63
  4. Step 4: Simplify right side
    5,116.19x = 38,054,417.02
  5. Step 5: Solve for x
    x = 38,054,417.02/5,116.19
  6. Step 6: Final answer
    x = 7,438.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.