Home / 5,363.08-8,045.76-1,665.40

Finding the Fourth Proportional to 5,363.08, 8,045.76 and 1,665.40

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Solution

The fourth proportional to 5,363.08, 8,045.76 and 1,665.40 is: 2,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.08 : 8,045.76 = 1,665.40 : x
  2. Step 2: Convert to fraction form
    5,363.08/8,045.76 = 1,665.40/x
  3. Step 3: Cross multiply
    5,363.08x = 8,045.76 × 1,665.40
  4. Step 4: Simplify right side
    5,363.08x = 13,399,408.70
  5. Step 5: Solve for x
    x = 13,399,408.70/5,363.08
  6. Step 6: Final answer
    x = 2,498.45

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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.