Home / 5,345.23-8,018.28-1,647.46

Finding the Fourth Proportional to 5,345.23, 8,018.28 and 1,647.46

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Solution

The fourth proportional to 5,345.23, 8,018.28 and 1,647.46 is: 2,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.23 : 8,018.28 = 1,647.46 : x
  2. Step 2: Convert to fraction form
    5,345.23/8,018.28 = 1,647.46/x
  3. Step 3: Cross multiply
    5,345.23x = 8,018.28 × 1,647.46
  4. Step 4: Simplify right side
    5,345.23x = 13,209,795.57
  5. Step 5: Solve for x
    x = 13,209,795.57/5,345.23
  6. Step 6: Final answer
    x = 2,471.32

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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.