Home / 5,459.65-8,189.48-1,564.05

Finding the Fourth Proportional to 5,459.65, 8,189.48 and 1,564.05

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Solution

The fourth proportional to 5,459.65, 8,189.48 and 1,564.05 is: 2,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.65 : 8,189.48 = 1,564.05 : x
  2. Step 2: Convert to fraction form
    5,459.65/8,189.48 = 1,564.05/x
  3. Step 3: Cross multiply
    5,459.65x = 8,189.48 × 1,564.05
  4. Step 4: Simplify right side
    5,459.65x = 12,808,756.19
  5. Step 5: Solve for x
    x = 12,808,756.19/5,459.65
  6. Step 6: Final answer
    x = 2,346.08

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Similar ratio
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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.