Home / 7,646.80-10,553.56-4,503.28

Finding the Fourth Proportional to 7,646.80, 10,553.56 and 4,503.28

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Solution

The fourth proportional to 7,646.80, 10,553.56 and 4,503.28 is: 6,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.80 : 10,553.56 = 4,503.28 : x
  2. Step 2: Convert to fraction form
    7,646.80/10,553.56 = 4,503.28/x
  3. Step 3: Cross multiply
    7,646.80x = 10,553.56 × 4,503.28
  4. Step 4: Simplify right side
    7,646.80x = 47,525,635.68
  5. Step 5: Solve for x
    x = 47,525,635.68/7,646.80
  6. Step 6: Final answer
    x = 6,215.10

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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.