Home / 4,888.02-6,746.68-3,211.70

Finding the Fourth Proportional to 4,888.02, 6,746.68 and 3,211.70

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Solution

The fourth proportional to 4,888.02, 6,746.68 and 3,211.70 is: 4,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.02 : 6,746.68 = 3,211.70 : x
  2. Step 2: Convert to fraction form
    4,888.02/6,746.68 = 3,211.70/x
  3. Step 3: Cross multiply
    4,888.02x = 6,746.68 × 3,211.70
  4. Step 4: Simplify right side
    4,888.02x = 21,668,315.87
  5. Step 5: Solve for x
    x = 21,668,315.87/4,888.02
  6. Step 6: Final answer
    x = 4,432.94

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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.