Home / 5,535.04-7,638.56-3,051.20

Finding the Fourth Proportional to 5,535.04, 7,638.56 and 3,051.20

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Solution

The fourth proportional to 5,535.04, 7,638.56 and 3,051.20 is: 4,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.04 : 7,638.56 = 3,051.20 : x
  2. Step 2: Convert to fraction form
    5,535.04/7,638.56 = 3,051.20/x
  3. Step 3: Cross multiply
    5,535.04x = 7,638.56 × 3,051.20
  4. Step 4: Simplify right side
    5,535.04x = 23,306,774.27
  5. Step 5: Solve for x
    x = 23,306,774.27/5,535.04
  6. Step 6: Final answer
    x = 4,210.77

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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.