Home / 4,870.16-7,304.88-1,946.60

Finding the Fourth Proportional to 4,870.16, 7,304.88 and 1,946.60

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Solution

The fourth proportional to 4,870.16, 7,304.88 and 1,946.60 is: 2,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.16 : 7,304.88 = 1,946.60 : x
  2. Step 2: Convert to fraction form
    4,870.16/7,304.88 = 1,946.60/x
  3. Step 3: Cross multiply
    4,870.16x = 7,304.88 × 1,946.60
  4. Step 4: Simplify right side
    4,870.16x = 14,219,679.41
  5. Step 5: Solve for x
    x = 14,219,679.41/4,870.16
  6. Step 6: Final answer
    x = 2,919.76

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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.