Home / 4,140.48-6,210.88-1,947.68

Finding the Fourth Proportional to 4,140.48, 6,210.88 and 1,947.68

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Solution

The fourth proportional to 4,140.48, 6,210.88 and 1,947.68 is: 2,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.48 : 6,210.88 = 1,947.68 : x
  2. Step 2: Convert to fraction form
    4,140.48/6,210.88 = 1,947.68/x
  3. Step 3: Cross multiply
    4,140.48x = 6,210.88 × 1,947.68
  4. Step 4: Simplify right side
    4,140.48x = 12,096,806.76
  5. Step 5: Solve for x
    x = 12,096,806.76/4,140.48
  6. Step 6: Final answer
    x = 2,921.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.