Home / 7,827.55-10,802.46-4,642.73

Finding the Fourth Proportional to 7,827.55, 10,802.46 and 4,642.73

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Solution

The fourth proportional to 7,827.55, 10,802.46 and 4,642.73 is: 6,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.55 : 10,802.46 = 4,642.73 : x
  2. Step 2: Convert to fraction form
    7,827.55/10,802.46 = 4,642.73/x
  3. Step 3: Cross multiply
    7,827.55x = 10,802.46 × 4,642.73
  4. Step 4: Simplify right side
    7,827.55x = 50,152,866.50
  5. Step 5: Solve for x
    x = 50,152,866.50/7,827.55
  6. Step 6: Final answer
    x = 6,407.23

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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.