Home / 9,477.66-13,077.87-5,285.10

Finding the Fourth Proportional to 9,477.66, 13,077.87 and 5,285.10

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Solution

The fourth proportional to 9,477.66, 13,077.87 and 5,285.10 is: 7,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.66 : 13,077.87 = 5,285.10 : x
  2. Step 2: Convert to fraction form
    9,477.66/13,077.87 = 5,285.10/x
  3. Step 3: Cross multiply
    9,477.66x = 13,077.87 × 5,285.10
  4. Step 4: Simplify right side
    9,477.66x = 69,117,850.74
  5. Step 5: Solve for x
    x = 69,117,850.74/9,477.66
  6. Step 6: Final answer
    x = 7,292.71

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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.