Home / 7,455.78-10,291.26-4,803.18

Finding the Fourth Proportional to 7,455.78, 10,291.26 and 4,803.18

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Solution

The fourth proportional to 7,455.78, 10,291.26 and 4,803.18 is: 6,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.78 : 10,291.26 = 4,803.18 : x
  2. Step 2: Convert to fraction form
    7,455.78/10,291.26 = 4,803.18/x
  3. Step 3: Cross multiply
    7,455.78x = 10,291.26 × 4,803.18
  4. Step 4: Simplify right side
    7,455.78x = 49,430,774.21
  5. Step 5: Solve for x
    x = 49,430,774.21/7,455.78
  6. Step 6: Final answer
    x = 6,629.86

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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.