Home / 4,888.79-6,744.76-3,211.10

Finding the Fourth Proportional to 4,888.79, 6,744.76 and 3,211.10

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Solution

The fourth proportional to 4,888.79, 6,744.76 and 3,211.10 is: 4,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.79 : 6,744.76 = 3,211.10 : x
  2. Step 2: Convert to fraction form
    4,888.79/6,744.76 = 3,211.10/x
  3. Step 3: Cross multiply
    4,888.79x = 6,744.76 × 3,211.10
  4. Step 4: Simplify right side
    4,888.79x = 21,658,082.78
  5. Step 5: Solve for x
    x = 21,658,082.78/4,888.79
  6. Step 6: Final answer
    x = 4,430.16

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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.