Home / 5,618.74-7,752.47-3,435.35

Finding the Fourth Proportional to 5,618.74, 7,752.47 and 3,435.35

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Solution

The fourth proportional to 5,618.74, 7,752.47 and 3,435.35 is: 4,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.74 : 7,752.47 = 3,435.35 : x
  2. Step 2: Convert to fraction form
    5,618.74/7,752.47 = 3,435.35/x
  3. Step 3: Cross multiply
    5,618.74x = 7,752.47 × 3,435.35
  4. Step 4: Simplify right side
    5,618.74x = 26,632,475.78
  5. Step 5: Solve for x
    x = 26,632,475.78/5,618.74
  6. Step 6: Final answer
    x = 4,739.94

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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.