Home / 4,701.29-7,047.61-1,621.13

Finding the Fourth Proportional to 4,701.29, 7,047.61 and 1,621.13

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Solution

The fourth proportional to 4,701.29, 7,047.61 and 1,621.13 is: 2,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.29 : 7,047.61 = 1,621.13 : x
  2. Step 2: Convert to fraction form
    4,701.29/7,047.61 = 1,621.13/x
  3. Step 3: Cross multiply
    4,701.29x = 7,047.61 × 1,621.13
  4. Step 4: Simplify right side
    4,701.29x = 11,425,052.71
  5. Step 5: Solve for x
    x = 11,425,052.71/4,701.29
  6. Step 6: Final answer
    x = 2,430.20

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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.