Home / 7,320.32-10,106.40-4,529.60

Finding the Fourth Proportional to 7,320.32, 10,106.40 and 4,529.60

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Solution

The fourth proportional to 7,320.32, 10,106.40 and 4,529.60 is: 6,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.32 : 10,106.40 = 4,529.60 : x
  2. Step 2: Convert to fraction form
    7,320.32/10,106.40 = 4,529.60/x
  3. Step 3: Cross multiply
    7,320.32x = 10,106.40 × 4,529.60
  4. Step 4: Simplify right side
    7,320.32x = 45,777,949.44
  5. Step 5: Solve for x
    x = 45,777,949.44/7,320.32
  6. Step 6: Final answer
    x = 6,253.54

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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.