Home / 5,580.12-8,370.95-1,883.40

Finding the Fourth Proportional to 5,580.12, 8,370.95 and 1,883.40

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Solution

The fourth proportional to 5,580.12, 8,370.95 and 1,883.40 is: 2,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.12 : 8,370.95 = 1,883.40 : x
  2. Step 2: Convert to fraction form
    5,580.12/8,370.95 = 1,883.40/x
  3. Step 3: Cross multiply
    5,580.12x = 8,370.95 × 1,883.40
  4. Step 4: Simplify right side
    5,580.12x = 15,765,837.81
  5. Step 5: Solve for x
    x = 15,765,837.81/5,580.12
  6. Step 6: Final answer
    x = 2,825.36

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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.