Home / 7,821.96-10,794.26-4,285.10

Finding the Fourth Proportional to 7,821.96, 10,794.26 and 4,285.10

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Solution

The fourth proportional to 7,821.96, 10,794.26 and 4,285.10 is: 5,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.96 : 10,794.26 = 4,285.10 : x
  2. Step 2: Convert to fraction form
    7,821.96/10,794.26 = 4,285.10/x
  3. Step 3: Cross multiply
    7,821.96x = 10,794.26 × 4,285.10
  4. Step 4: Simplify right side
    7,821.96x = 46,254,483.53
  5. Step 5: Solve for x
    x = 46,254,483.53/7,821.96
  6. Step 6: Final answer
    x = 5,913.41

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Double scale
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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.