Home / 5,655.30-7,804.80-3,297.40

Finding the Fourth Proportional to 5,655.30, 7,804.80 and 3,297.40

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Solution

The fourth proportional to 5,655.30, 7,804.80 and 3,297.40 is: 4,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.30 : 7,804.80 = 3,297.40 : x
  2. Step 2: Convert to fraction form
    5,655.30/7,804.80 = 3,297.40/x
  3. Step 3: Cross multiply
    5,655.30x = 7,804.80 × 3,297.40
  4. Step 4: Simplify right side
    5,655.30x = 25,735,547.52
  5. Step 5: Solve for x
    x = 25,735,547.52/5,655.30
  6. Step 6: Final answer
    x = 4,550.70

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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.