Home / 9,457.20-13,053.18-5,480.49

Finding the Fourth Proportional to 9,457.20, 13,053.18 and 5,480.49

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Solution

The fourth proportional to 9,457.20, 13,053.18 and 5,480.49 is: 7,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.20 : 13,053.18 = 5,480.49 : x
  2. Step 2: Convert to fraction form
    9,457.20/13,053.18 = 5,480.49/x
  3. Step 3: Cross multiply
    9,457.20x = 13,053.18 × 5,480.49
  4. Step 4: Simplify right side
    9,457.20x = 71,537,822.46
  5. Step 5: Solve for x
    x = 71,537,822.46/9,457.20
  6. Step 6: Final answer
    x = 7,564.38

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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.