Home / 9,319.02-13,972.74-4,389.90

Finding the Fourth Proportional to 9,319.02, 13,972.74 and 4,389.90

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Solution

The fourth proportional to 9,319.02, 13,972.74 and 4,389.90 is: 6,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.02 : 13,972.74 = 4,389.90 : x
  2. Step 2: Convert to fraction form
    9,319.02/13,972.74 = 4,389.90/x
  3. Step 3: Cross multiply
    9,319.02x = 13,972.74 × 4,389.90
  4. Step 4: Simplify right side
    9,319.02x = 61,338,931.33
  5. Step 5: Solve for x
    x = 61,338,931.33/9,319.02
  6. Step 6: Final answer
    x = 6,582.12

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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.