Home / 5,345.46-7,375.86-4,915.35

Finding the Fourth Proportional to 5,345.46, 7,375.86 and 4,915.35

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Solution

The fourth proportional to 5,345.46, 7,375.86 and 4,915.35 is: 6,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.46 : 7,375.86 = 4,915.35 : x
  2. Step 2: Convert to fraction form
    5,345.46/7,375.86 = 4,915.35/x
  3. Step 3: Cross multiply
    5,345.46x = 7,375.86 × 4,915.35
  4. Step 4: Simplify right side
    5,345.46x = 36,254,933.45
  5. Step 5: Solve for x
    x = 36,254,933.45/5,345.46
  6. Step 6: Final answer
    x = 6,782.38

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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.