Home / 7,510.74-10,365.11-4,988.49

Finding the Fourth Proportional to 7,510.74, 10,365.11 and 4,988.49

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Solution

The fourth proportional to 7,510.74, 10,365.11 and 4,988.49 is: 6,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.74 : 10,365.11 = 4,988.49 : x
  2. Step 2: Convert to fraction form
    7,510.74/10,365.11 = 4,988.49/x
  3. Step 3: Cross multiply
    7,510.74x = 10,365.11 × 4,988.49
  4. Step 4: Simplify right side
    7,510.74x = 51,706,247.58
  5. Step 5: Solve for x
    x = 51,706,247.58/7,510.74
  6. Step 6: Final answer
    x = 6,884.31

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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.