Home / 6,804.18-9,395.76-4,290.78

Finding the Fourth Proportional to 6,804.18, 9,395.76 and 4,290.78

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Solution

The fourth proportional to 6,804.18, 9,395.76 and 4,290.78 is: 5,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.18 : 9,395.76 = 4,290.78 : x
  2. Step 2: Convert to fraction form
    6,804.18/9,395.76 = 4,290.78/x
  3. Step 3: Cross multiply
    6,804.18x = 9,395.76 × 4,290.78
  4. Step 4: Simplify right side
    6,804.18x = 40,315,139.09
  5. Step 5: Solve for x
    x = 40,315,139.09/6,804.18
  6. Step 6: Final answer
    x = 5,925.05

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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.