Home / 7,898.72-10,900.40-4,362.32

Finding the Fourth Proportional to 7,898.72, 10,900.40 and 4,362.32

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Solution

The fourth proportional to 7,898.72, 10,900.40 and 4,362.32 is: 6,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.72 : 10,900.40 = 4,362.32 : x
  2. Step 2: Convert to fraction form
    7,898.72/10,900.40 = 4,362.32/x
  3. Step 3: Cross multiply
    7,898.72x = 10,900.40 × 4,362.32
  4. Step 4: Simplify right side
    7,898.72x = 47,551,032.93
  5. Step 5: Solve for x
    x = 47,551,032.93/7,898.72
  6. Step 6: Final answer
    x = 6,020.09

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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.