Home / 4,047.45-5,586.35-2,557.32

Finding the Fourth Proportional to 4,047.45, 5,586.35 and 2,557.32

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Solution

The fourth proportional to 4,047.45, 5,586.35 and 2,557.32 is: 3,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.45 : 5,586.35 = 2,557.32 : x
  2. Step 2: Convert to fraction form
    4,047.45/5,586.35 = 2,557.32/x
  3. Step 3: Cross multiply
    4,047.45x = 5,586.35 × 2,557.32
  4. Step 4: Simplify right side
    4,047.45x = 14,286,071.80
  5. Step 5: Solve for x
    x = 14,286,071.80/4,047.45
  6. Step 6: Final answer
    x = 3,529.65

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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.