Home / 9,320.72-13,987.34-3,477.32

Finding the Fourth Proportional to 9,320.72, 13,987.34 and 3,477.32

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Solution

The fourth proportional to 9,320.72, 13,987.34 and 3,477.32 is: 5,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.72 : 13,987.34 = 3,477.32 : x
  2. Step 2: Convert to fraction form
    9,320.72/13,987.34 = 3,477.32/x
  3. Step 3: Cross multiply
    9,320.72x = 13,987.34 × 3,477.32
  4. Step 4: Simplify right side
    9,320.72x = 48,638,457.13
  5. Step 5: Solve for x
    x = 48,638,457.13/9,320.72
  6. Step 6: Final answer
    x = 5,218.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.