Home / 7,842.69-10,823.89-4,485.04

Finding the Fourth Proportional to 7,842.69, 10,823.89 and 4,485.04

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Solution

The fourth proportional to 7,842.69, 10,823.89 and 4,485.04 is: 6,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.69 : 10,823.89 = 4,485.04 : x
  2. Step 2: Convert to fraction form
    7,842.69/10,823.89 = 4,485.04/x
  3. Step 3: Cross multiply
    7,842.69x = 10,823.89 × 4,485.04
  4. Step 4: Simplify right side
    7,842.69x = 48,545,541.33
  5. Step 5: Solve for x
    x = 48,545,541.33/7,842.69
  6. Step 6: Final answer
    x = 6,189.91

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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.