Home / 7,237.81-9,988.02-4,093.93

Finding the Fourth Proportional to 7,237.81, 9,988.02 and 4,093.93

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Solution

The fourth proportional to 7,237.81, 9,988.02 and 4,093.93 is: 5,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.81 : 9,988.02 = 4,093.93 : x
  2. Step 2: Convert to fraction form
    7,237.81/9,988.02 = 4,093.93/x
  3. Step 3: Cross multiply
    7,237.81x = 9,988.02 × 4,093.93
  4. Step 4: Simplify right side
    7,237.81x = 40,890,254.72
  5. Step 5: Solve for x
    x = 40,890,254.72/7,237.81
  6. Step 6: Final answer
    x = 5,649.53

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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.