Home / 5,647.03-8,468.74-5,278.49

Finding the Fourth Proportional to 5,647.03, 8,468.74 and 5,278.49

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Solution

The fourth proportional to 5,647.03, 8,468.74 and 5,278.49 is: 7,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.03 : 8,468.74 = 5,278.49 : x
  2. Step 2: Convert to fraction form
    5,647.03/8,468.74 = 5,278.49/x
  3. Step 3: Cross multiply
    5,647.03x = 8,468.74 × 5,278.49
  4. Step 4: Simplify right side
    5,647.03x = 44,702,159.40
  5. Step 5: Solve for x
    x = 44,702,159.40/5,647.03
  6. Step 6: Final answer
    x = 7,916.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.