Home / 5,477.21-7,559.28-3,240.39

Finding the Fourth Proportional to 5,477.21, 7,559.28 and 3,240.39

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Solution

The fourth proportional to 5,477.21, 7,559.28 and 3,240.39 is: 4,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.21 : 7,559.28 = 3,240.39 : x
  2. Step 2: Convert to fraction form
    5,477.21/7,559.28 = 3,240.39/x
  3. Step 3: Cross multiply
    5,477.21x = 7,559.28 × 3,240.39
  4. Step 4: Simplify right side
    5,477.21x = 24,495,015.32
  5. Step 5: Solve for x
    x = 24,495,015.32/5,477.21
  6. Step 6: Final answer
    x = 4,472.17

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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.