Home / 7,180.02-9,907.92-4,036.68

Finding the Fourth Proportional to 7,180.02, 9,907.92 and 4,036.68

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Solution

The fourth proportional to 7,180.02, 9,907.92 and 4,036.68 is: 5,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.02 : 9,907.92 = 4,036.68 : x
  2. Step 2: Convert to fraction form
    7,180.02/9,907.92 = 4,036.68/x
  3. Step 3: Cross multiply
    7,180.02x = 9,907.92 × 4,036.68
  4. Step 4: Simplify right side
    7,180.02x = 39,995,102.51
  5. Step 5: Solve for x
    x = 39,995,102.51/7,180.02
  6. Step 6: Final answer
    x = 5,570.33

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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.