Home / 9,064.36-12,508.88-5,290.16

Finding the Fourth Proportional to 9,064.36, 12,508.88 and 5,290.16

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Solution

The fourth proportional to 9,064.36, 12,508.88 and 5,290.16 is: 7,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.36 : 12,508.88 = 5,290.16 : x
  2. Step 2: Convert to fraction form
    9,064.36/12,508.88 = 5,290.16/x
  3. Step 3: Cross multiply
    9,064.36x = 12,508.88 × 5,290.16
  4. Step 4: Simplify right side
    9,064.36x = 66,173,976.62
  5. Step 5: Solve for x
    x = 66,173,976.62/9,064.36
  6. Step 6: Final answer
    x = 7,300.46

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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.