Home / 5,673.95-7,830.15-3,317.45

Finding the Fourth Proportional to 5,673.95, 7,830.15 and 3,317.45

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Solution

The fourth proportional to 5,673.95, 7,830.15 and 3,317.45 is: 4,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.95 : 7,830.15 = 3,317.45 : x
  2. Step 2: Convert to fraction form
    5,673.95/7,830.15 = 3,317.45/x
  3. Step 3: Cross multiply
    5,673.95x = 7,830.15 × 3,317.45
  4. Step 4: Simplify right side
    5,673.95x = 25,976,131.12
  5. Step 5: Solve for x
    x = 25,976,131.12/5,673.95
  6. Step 6: Final answer
    x = 4,578.14

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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.