Home / 7,386.78-10,194.02-4,200.22

Finding the Fourth Proportional to 7,386.78, 10,194.02 and 4,200.22

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Solution

The fourth proportional to 7,386.78, 10,194.02 and 4,200.22 is: 5,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.78 : 10,194.02 = 4,200.22 : x
  2. Step 2: Convert to fraction form
    7,386.78/10,194.02 = 4,200.22/x
  3. Step 3: Cross multiply
    7,386.78x = 10,194.02 × 4,200.22
  4. Step 4: Simplify right side
    7,386.78x = 42,817,126.68
  5. Step 5: Solve for x
    x = 42,817,126.68/7,386.78
  6. Step 6: Final answer
    x = 5,796.45

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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.