Home / 4,970.40-7,450.60-1,848.40

Finding the Fourth Proportional to 4,970.40, 7,450.60 and 1,848.40

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Solution

The fourth proportional to 4,970.40, 7,450.60 and 1,848.40 is: 2,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.40 : 7,450.60 = 1,848.40 : x
  2. Step 2: Convert to fraction form
    4,970.40/7,450.60 = 1,848.40/x
  3. Step 3: Cross multiply
    4,970.40x = 7,450.60 × 1,848.40
  4. Step 4: Simplify right side
    4,970.40x = 13,771,689.04
  5. Step 5: Solve for x
    x = 13,771,689.04/4,970.40
  6. Step 6: Final answer
    x = 2,770.74

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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.