Home / 8,870.32-13,312.36-3,328.70

Finding the Fourth Proportional to 8,870.32, 13,312.36 and 3,328.70

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Solution

The fourth proportional to 8,870.32, 13,312.36 and 3,328.70 is: 4,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.32 : 13,312.36 = 3,328.70 : x
  2. Step 2: Convert to fraction form
    8,870.32/13,312.36 = 3,328.70/x
  3. Step 3: Cross multiply
    8,870.32x = 13,312.36 × 3,328.70
  4. Step 4: Simplify right side
    8,870.32x = 44,312,852.73
  5. Step 5: Solve for x
    x = 44,312,852.73/8,870.32
  6. Step 6: Final answer
    x = 4,995.63

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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.