Home / 7,475.08-10,315.36-4,117.84

Finding the Fourth Proportional to 7,475.08, 10,315.36 and 4,117.84

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Solution

The fourth proportional to 7,475.08, 10,315.36 and 4,117.84 is: 5,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.08 : 10,315.36 = 4,117.84 : x
  2. Step 2: Convert to fraction form
    7,475.08/10,315.36 = 4,117.84/x
  3. Step 3: Cross multiply
    7,475.08x = 10,315.36 × 4,117.84
  4. Step 4: Simplify right side
    7,475.08x = 42,477,002.02
  5. Step 5: Solve for x
    x = 42,477,002.02/7,475.08
  6. Step 6: Final answer
    x = 5,682.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.