Home / 7,113.10-10,661.33-5,352.45

Finding the Fourth Proportional to 7,113.10, 10,661.33 and 5,352.45

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Solution

The fourth proportional to 7,113.10, 10,661.33 and 5,352.45 is: 8,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.10 : 10,661.33 = 5,352.45 : x
  2. Step 2: Convert to fraction form
    7,113.10/10,661.33 = 5,352.45/x
  3. Step 3: Cross multiply
    7,113.10x = 10,661.33 × 5,352.45
  4. Step 4: Simplify right side
    7,113.10x = 57,064,235.76
  5. Step 5: Solve for x
    x = 57,064,235.76/7,113.10
  6. Step 6: Final answer
    x = 8,022.41

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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.