Home / 4,493.60-6,780.56-4,313.76

Finding the Fourth Proportional to 4,493.60, 6,780.56 and 4,313.76

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Solution

The fourth proportional to 4,493.60, 6,780.56 and 4,313.76 is: 6,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.60 : 6,780.56 = 4,313.76 : x
  2. Step 2: Convert to fraction form
    4,493.60/6,780.56 = 4,313.76/x
  3. Step 3: Cross multiply
    4,493.60x = 6,780.56 × 4,313.76
  4. Step 4: Simplify right side
    4,493.60x = 29,249,708.51
  5. Step 5: Solve for x
    x = 29,249,708.51/4,493.60
  6. Step 6: Final answer
    x = 6,509.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.