Home / 6,947.46-10,421.17-2,784.51

Finding the Fourth Proportional to 6,947.46, 10,421.17 and 2,784.51

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Solution

The fourth proportional to 6,947.46, 10,421.17 and 2,784.51 is: 4,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.46 : 10,421.17 = 2,784.51 : x
  2. Step 2: Convert to fraction form
    6,947.46/10,421.17 = 2,784.51/x
  3. Step 3: Cross multiply
    6,947.46x = 10,421.17 × 2,784.51
  4. Step 4: Simplify right side
    6,947.46x = 29,017,845.12
  5. Step 5: Solve for x
    x = 29,017,845.12/6,947.46
  6. Step 6: Final answer
    x = 4,176.76

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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.