Home / 7,559.08-10,420.26-5,313.64

Finding the Fourth Proportional to 7,559.08, 10,420.26 and 5,313.64

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Solution

The fourth proportional to 7,559.08, 10,420.26 and 5,313.64 is: 7,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.08 : 10,420.26 = 5,313.64 : x
  2. Step 2: Convert to fraction form
    7,559.08/10,420.26 = 5,313.64/x
  3. Step 3: Cross multiply
    7,559.08x = 10,420.26 × 5,313.64
  4. Step 4: Simplify right side
    7,559.08x = 55,369,510.35
  5. Step 5: Solve for x
    x = 55,369,510.35/7,559.08
  6. Step 6: Final answer
    x = 7,324.90

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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.