Home / 5,628.60-7,769.66-5,038.11

Finding the Fourth Proportional to 5,628.60, 7,769.66 and 5,038.11

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Solution

The fourth proportional to 5,628.60, 7,769.66 and 5,038.11 is: 6,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.60 : 7,769.66 = 5,038.11 : x
  2. Step 2: Convert to fraction form
    5,628.60/7,769.66 = 5,038.11/x
  3. Step 3: Cross multiply
    5,628.60x = 7,769.66 × 5,038.11
  4. Step 4: Simplify right side
    5,628.60x = 39,144,376.55
  5. Step 5: Solve for x
    x = 39,144,376.55/5,628.60
  6. Step 6: Final answer
    x = 6,954.55

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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.