Home / 9,587.79-14,376.78-4,389.21

Finding the Fourth Proportional to 9,587.79, 14,376.78 and 4,389.21

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Solution

The fourth proportional to 9,587.79, 14,376.78 and 4,389.21 is: 6,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.79 : 14,376.78 = 4,389.21 : x
  2. Step 2: Convert to fraction form
    9,587.79/14,376.78 = 4,389.21/x
  3. Step 3: Cross multiply
    9,587.79x = 14,376.78 × 4,389.21
  4. Step 4: Simplify right side
    9,587.79x = 63,102,706.54
  5. Step 5: Solve for x
    x = 63,102,706.54/9,587.79
  6. Step 6: Final answer
    x = 6,581.57

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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.