Home / 4,631.60-6,947.40-1,858.70

Finding the Fourth Proportional to 4,631.60, 6,947.40 and 1,858.70

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Solution

The fourth proportional to 4,631.60, 6,947.40 and 1,858.70 is: 2,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.60 : 6,947.40 = 1,858.70 : x
  2. Step 2: Convert to fraction form
    4,631.60/6,947.40 = 1,858.70/x
  3. Step 3: Cross multiply
    4,631.60x = 6,947.40 × 1,858.70
  4. Step 4: Simplify right side
    4,631.60x = 12,913,132.38
  5. Step 5: Solve for x
    x = 12,913,132.38/4,631.60
  6. Step 6: Final answer
    x = 2,788.05

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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.