Home / 5,870.74-8,805.28-2,172.35

Finding the Fourth Proportional to 5,870.74, 8,805.28 and 2,172.35

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Solution

The fourth proportional to 5,870.74, 8,805.28 and 2,172.35 is: 3,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.74 : 8,805.28 = 2,172.35 : x
  2. Step 2: Convert to fraction form
    5,870.74/8,805.28 = 2,172.35/x
  3. Step 3: Cross multiply
    5,870.74x = 8,805.28 × 2,172.35
  4. Step 4: Simplify right side
    5,870.74x = 19,128,150.01
  5. Step 5: Solve for x
    x = 19,128,150.01/5,870.74
  6. Step 6: Final answer
    x = 3,258.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.