Home / 4,637.98-6,400.76-2,870.62

Finding the Fourth Proportional to 4,637.98, 6,400.76 and 2,870.62

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Solution

The fourth proportional to 4,637.98, 6,400.76 and 2,870.62 is: 3,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.98 : 6,400.76 = 2,870.62 : x
  2. Step 2: Convert to fraction form
    4,637.98/6,400.76 = 2,870.62/x
  3. Step 3: Cross multiply
    4,637.98x = 6,400.76 × 2,870.62
  4. Step 4: Simplify right side
    4,637.98x = 18,374,149.67
  5. Step 5: Solve for x
    x = 18,374,149.67/4,637.98
  6. Step 6: Final answer
    x = 3,961.67

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.