Home / 5,018.08-7,528.30-1,555.32

Finding the Fourth Proportional to 5,018.08, 7,528.30 and 1,555.32

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Solution

The fourth proportional to 5,018.08, 7,528.30 and 1,555.32 is: 2,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.08 : 7,528.30 = 1,555.32 : x
  2. Step 2: Convert to fraction form
    5,018.08/7,528.30 = 1,555.32/x
  3. Step 3: Cross multiply
    5,018.08x = 7,528.30 × 1,555.32
  4. Step 4: Simplify right side
    5,018.08x = 11,708,915.56
  5. Step 5: Solve for x
    x = 11,708,915.56/5,018.08
  6. Step 6: Final answer
    x = 2,333.35

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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.