Home / 5,637.85-8,444.38-4,648.40

Finding the Fourth Proportional to 5,637.85, 8,444.38 and 4,648.40

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Solution

The fourth proportional to 5,637.85, 8,444.38 and 4,648.40 is: 6,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.85 : 8,444.38 = 4,648.40 : x
  2. Step 2: Convert to fraction form
    5,637.85/8,444.38 = 4,648.40/x
  3. Step 3: Cross multiply
    5,637.85x = 8,444.38 × 4,648.40
  4. Step 4: Simplify right side
    5,637.85x = 39,252,870.75
  5. Step 5: Solve for x
    x = 39,252,870.75/5,637.85
  6. Step 6: Final answer
    x = 6,962.39

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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.