Home / 9,389.07-14,064.45-5,428.77

Finding the Fourth Proportional to 9,389.07, 14,064.45 and 5,428.77

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Solution

The fourth proportional to 9,389.07, 14,064.45 and 5,428.77 is: 8,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.07 : 14,064.45 = 5,428.77 : x
  2. Step 2: Convert to fraction form
    9,389.07/14,064.45 = 5,428.77/x
  3. Step 3: Cross multiply
    9,389.07x = 14,064.45 × 5,428.77
  4. Step 4: Simplify right side
    9,389.07x = 76,352,664.23
  5. Step 5: Solve for x
    x = 76,352,664.23/9,389.07
  6. Step 6: Final answer
    x = 8,132.08

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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.