Home / 5,683.89-8,526.93-1,987.17

Finding the Fourth Proportional to 5,683.89, 8,526.93 and 1,987.17

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Solution

The fourth proportional to 5,683.89, 8,526.93 and 1,987.17 is: 2,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.89 : 8,526.93 = 1,987.17 : x
  2. Step 2: Convert to fraction form
    5,683.89/8,526.93 = 1,987.17/x
  3. Step 3: Cross multiply
    5,683.89x = 8,526.93 × 1,987.17
  4. Step 4: Simplify right side
    5,683.89x = 16,944,459.49
  5. Step 5: Solve for x
    x = 16,944,459.49/5,683.89
  6. Step 6: Final answer
    x = 2,981.14

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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.