Home / 5,088.16-7,017.68-3,320.32

Finding the Fourth Proportional to 5,088.16, 7,017.68 and 3,320.32

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Solution

The fourth proportional to 5,088.16, 7,017.68 and 3,320.32 is: 4,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.16 : 7,017.68 = 3,320.32 : x
  2. Step 2: Convert to fraction form
    5,088.16/7,017.68 = 3,320.32/x
  3. Step 3: Cross multiply
    5,088.16x = 7,017.68 × 3,320.32
  4. Step 4: Simplify right side
    5,088.16x = 23,300,943.26
  5. Step 5: Solve for x
    x = 23,300,943.26/5,088.16
  6. Step 6: Final answer
    x = 4,579.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.