Home / 7,623.11-10,520.01-4,639.07

Finding the Fourth Proportional to 7,623.11, 10,520.01 and 4,639.07

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Solution

The fourth proportional to 7,623.11, 10,520.01 and 4,639.07 is: 6,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.11 : 10,520.01 = 4,639.07 : x
  2. Step 2: Convert to fraction form
    7,623.11/10,520.01 = 4,639.07/x
  3. Step 3: Cross multiply
    7,623.11x = 10,520.01 × 4,639.07
  4. Step 4: Simplify right side
    7,623.11x = 48,803,010.19
  5. Step 5: Solve for x
    x = 48,803,010.19/7,623.11
  6. Step 6: Final answer
    x = 6,401.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.