Home / 5,635.60-8,443.80-4,656.40

Finding the Fourth Proportional to 5,635.60, 8,443.80 and 4,656.40

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Solution

The fourth proportional to 5,635.60, 8,443.80 and 4,656.40 is: 6,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.60 : 8,443.80 = 4,656.40 : x
  2. Step 2: Convert to fraction form
    5,635.60/8,443.80 = 4,656.40/x
  3. Step 3: Cross multiply
    5,635.60x = 8,443.80 × 4,656.40
  4. Step 4: Simplify right side
    5,635.60x = 39,317,710.32
  5. Step 5: Solve for x
    x = 39,317,710.32/5,635.60
  6. Step 6: Final answer
    x = 6,976.67

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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.