Home / 7,623.12-10,518.21-4,827

Finding the Fourth Proportional to 7,623.12, 10,518.21 and 4,827

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Solution

The fourth proportional to 7,623.12, 10,518.21 and 4,827 is: 6,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.12 : 10,518.21 = 4,827 : x
  2. Step 2: Convert to fraction form
    7,623.12/10,518.21 = 4,827/x
  3. Step 3: Cross multiply
    7,623.12x = 10,518.21 × 4,827
  4. Step 4: Simplify right side
    7,623.12x = 50,771,399.67
  5. Step 5: Solve for x
    x = 50,771,399.67/7,623.12
  6. Step 6: Final answer
    x = 6,660.19

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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.