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Finding the Fourth Proportional to 7,653.80, 10,563.22 and 4,510.28

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Solution

The fourth proportional to 7,653.80, 10,563.22 and 4,510.28 is: 6,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.80 : 10,563.22 = 4,510.28 : x
  2. Step 2: Convert to fraction form
    7,653.80/10,563.22 = 4,510.28/x
  3. Step 3: Cross multiply
    7,653.80x = 10,563.22 × 4,510.28
  4. Step 4: Simplify right side
    7,653.80x = 47,643,079.90
  5. Step 5: Solve for x
    x = 47,643,079.90/7,653.80
  6. Step 6: Final answer
    x = 6,224.76

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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.