Home / 8,870.34-13,313.88-4,490.94

Finding the Fourth Proportional to 8,870.34, 13,313.88 and 4,490.94

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Solution

The fourth proportional to 8,870.34, 13,313.88 and 4,490.94 is: 6,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.34 : 13,313.88 = 4,490.94 : x
  2. Step 2: Convert to fraction form
    8,870.34/13,313.88 = 4,490.94/x
  3. Step 3: Cross multiply
    8,870.34x = 13,313.88 × 4,490.94
  4. Step 4: Simplify right side
    8,870.34x = 59,791,836.25
  5. Step 5: Solve for x
    x = 59,791,836.25/8,870.34
  6. Step 6: Final answer
    x = 6,740.65

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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.