Home / 4,430.56-6,641.52-2,123.68

Finding the Fourth Proportional to 4,430.56, 6,641.52 and 2,123.68

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Solution

The fourth proportional to 4,430.56, 6,641.52 and 2,123.68 is: 3,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.56 : 6,641.52 = 2,123.68 : x
  2. Step 2: Convert to fraction form
    4,430.56/6,641.52 = 2,123.68/x
  3. Step 3: Cross multiply
    4,430.56x = 6,641.52 × 2,123.68
  4. Step 4: Simplify right side
    4,430.56x = 14,104,463.19
  5. Step 5: Solve for x
    x = 14,104,463.19/4,430.56
  6. Step 6: Final answer
    x = 3,183.45

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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.