Home / 5,005.54-7,509.00-1,718.20

Finding the Fourth Proportional to 5,005.54, 7,509.00 and 1,718.20

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Solution

The fourth proportional to 5,005.54, 7,509.00 and 1,718.20 is: 2,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.54 : 7,509.00 = 1,718.20 : x
  2. Step 2: Convert to fraction form
    5,005.54/7,509.00 = 1,718.20/x
  3. Step 3: Cross multiply
    5,005.54x = 7,509.00 × 1,718.20
  4. Step 4: Simplify right side
    5,005.54x = 12,901,955.21
  5. Step 5: Solve for x
    x = 12,901,955.21/5,005.54
  6. Step 6: Final answer
    x = 2,577.54

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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.