Home / 7,810.10-10,761.98-5,567.21

Finding the Fourth Proportional to 7,810.10, 10,761.98 and 5,567.21

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Solution

The fourth proportional to 7,810.10, 10,761.98 and 5,567.21 is: 7,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.10 : 10,761.98 = 5,567.21 : x
  2. Step 2: Convert to fraction form
    7,810.10/10,761.98 = 5,567.21/x
  3. Step 3: Cross multiply
    7,810.10x = 10,761.98 × 5,567.21
  4. Step 4: Simplify right side
    7,810.10x = 59,914,202.68
  5. Step 5: Solve for x
    x = 59,914,202.68/7,810.10
  6. Step 6: Final answer
    x = 7,671.37

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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.