Home / 9,064.72-12,509.64-5,287.24

Finding the Fourth Proportional to 9,064.72, 12,509.64 and 5,287.24

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Solution

The fourth proportional to 9,064.72, 12,509.64 and 5,287.24 is: 7,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.72 : 12,509.64 = 5,287.24 : x
  2. Step 2: Convert to fraction form
    9,064.72/12,509.64 = 5,287.24/x
  3. Step 3: Cross multiply
    9,064.72x = 12,509.64 × 5,287.24
  4. Step 4: Simplify right side
    9,064.72x = 66,141,468.99
  5. Step 5: Solve for x
    x = 66,141,468.99/9,064.72
  6. Step 6: Final answer
    x = 7,296.58

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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.