Home / 5,637.51-7,780.68-3,281.01

Finding the Fourth Proportional to 5,637.51, 7,780.68 and 3,281.01

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Solution

The fourth proportional to 5,637.51, 7,780.68 and 3,281.01 is: 4,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.51 : 7,780.68 = 3,281.01 : x
  2. Step 2: Convert to fraction form
    5,637.51/7,780.68 = 3,281.01/x
  3. Step 3: Cross multiply
    5,637.51x = 7,780.68 × 3,281.01
  4. Step 4: Simplify right side
    5,637.51x = 25,528,488.89
  5. Step 5: Solve for x
    x = 25,528,488.89/5,637.51
  6. Step 6: Final answer
    x = 4,528.33

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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.