Home / 5,621.23-8,430.48-2,331.18

Finding the Fourth Proportional to 5,621.23, 8,430.48 and 2,331.18

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Solution

The fourth proportional to 5,621.23, 8,430.48 and 2,331.18 is: 3,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.23 : 8,430.48 = 2,331.18 : x
  2. Step 2: Convert to fraction form
    5,621.23/8,430.48 = 2,331.18/x
  3. Step 3: Cross multiply
    5,621.23x = 8,430.48 × 2,331.18
  4. Step 4: Simplify right side
    5,621.23x = 19,652,966.37
  5. Step 5: Solve for x
    x = 19,652,966.37/5,621.23
  6. Step 6: Final answer
    x = 3,496.20

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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.