Home / 7,088.40-10,632.60-3,389.76

Finding the Fourth Proportional to 7,088.40, 10,632.60 and 3,389.76

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Solution

The fourth proportional to 7,088.40, 10,632.60 and 3,389.76 is: 5,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.40 : 10,632.60 = 3,389.76 : x
  2. Step 2: Convert to fraction form
    7,088.40/10,632.60 = 3,389.76/x
  3. Step 3: Cross multiply
    7,088.40x = 10,632.60 × 3,389.76
  4. Step 4: Simplify right side
    7,088.40x = 36,041,962.18
  5. Step 5: Solve for x
    x = 36,041,962.18/7,088.40
  6. Step 6: Final answer
    x = 5,084.64

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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.