Home / 7,840.18-10,815.79-4,854.93

Finding the Fourth Proportional to 7,840.18, 10,815.79 and 4,854.93

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Solution

The fourth proportional to 7,840.18, 10,815.79 and 4,854.93 is: 6,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.18 : 10,815.79 = 4,854.93 : x
  2. Step 2: Convert to fraction form
    7,840.18/10,815.79 = 4,854.93/x
  3. Step 3: Cross multiply
    7,840.18x = 10,815.79 × 4,854.93
  4. Step 4: Simplify right side
    7,840.18x = 52,509,903.34
  5. Step 5: Solve for x
    x = 52,509,903.34/7,840.18
  6. Step 6: Final answer
    x = 6,697.54

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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.