Home / 5,210.48-7,809.24-2,290.16

Finding the Fourth Proportional to 5,210.48, 7,809.24 and 2,290.16

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Solution

The fourth proportional to 5,210.48, 7,809.24 and 2,290.16 is: 3,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.48 : 7,809.24 = 2,290.16 : x
  2. Step 2: Convert to fraction form
    5,210.48/7,809.24 = 2,290.16/x
  3. Step 3: Cross multiply
    5,210.48x = 7,809.24 × 2,290.16
  4. Step 4: Simplify right side
    5,210.48x = 17,884,409.08
  5. Step 5: Solve for x
    x = 17,884,409.08/5,210.48
  6. Step 6: Final answer
    x = 3,432.39

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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.