Home / 7,510.18-11,241.64-5,156.41

Finding the Fourth Proportional to 7,510.18, 11,241.64 and 5,156.41

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Solution

The fourth proportional to 7,510.18, 11,241.64 and 5,156.41 is: 7,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.18 : 11,241.64 = 5,156.41 : x
  2. Step 2: Convert to fraction form
    7,510.18/11,241.64 = 5,156.41/x
  3. Step 3: Cross multiply
    7,510.18x = 11,241.64 × 5,156.41
  4. Step 4: Simplify right side
    7,510.18x = 57,966,461.60
  5. Step 5: Solve for x
    x = 57,966,461.60/7,510.18
  6. Step 6: Final answer
    x = 7,718.39

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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.