Home / 7,407.36-11,117.52-4,813.20

Finding the Fourth Proportional to 7,407.36, 11,117.52 and 4,813.20

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Solution

The fourth proportional to 7,407.36, 11,117.52 and 4,813.20 is: 7,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.36 : 11,117.52 = 4,813.20 : x
  2. Step 2: Convert to fraction form
    7,407.36/11,117.52 = 4,813.20/x
  3. Step 3: Cross multiply
    7,407.36x = 11,117.52 × 4,813.20
  4. Step 4: Simplify right side
    7,407.36x = 53,510,847.26
  5. Step 5: Solve for x
    x = 53,510,847.26/7,407.36
  6. Step 6: Final answer
    x = 7,224.01

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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.