Home / 7,557.56-11,315.34-5,703.08

Finding the Fourth Proportional to 7,557.56, 11,315.34 and 5,703.08

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Solution

The fourth proportional to 7,557.56, 11,315.34 and 5,703.08 is: 8,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.56 : 11,315.34 = 5,703.08 : x
  2. Step 2: Convert to fraction form
    7,557.56/11,315.34 = 5,703.08/x
  3. Step 3: Cross multiply
    7,557.56x = 11,315.34 × 5,703.08
  4. Step 4: Simplify right side
    7,557.56x = 64,532,289.25
  5. Step 5: Solve for x
    x = 64,532,289.25/7,557.56
  6. Step 6: Final answer
    x = 8,538.77

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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.