Home / 7,995.04-11,043.06-5,647.68

Finding the Fourth Proportional to 7,995.04, 11,043.06 and 5,647.68

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Solution

The fourth proportional to 7,995.04, 11,043.06 and 5,647.68 is: 7,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.04 : 11,043.06 = 5,647.68 : x
  2. Step 2: Convert to fraction form
    7,995.04/11,043.06 = 5,647.68/x
  3. Step 3: Cross multiply
    7,995.04x = 11,043.06 × 5,647.68
  4. Step 4: Simplify right side
    7,995.04x = 62,367,669.10
  5. Step 5: Solve for x
    x = 62,367,669.10/7,995.04
  6. Step 6: Final answer
    x = 7,800.80

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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.