Home / 7,547.90-11,322.72-3,649.50

Finding the Fourth Proportional to 7,547.90, 11,322.72 and 3,649.50

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Solution

The fourth proportional to 7,547.90, 11,322.72 and 3,649.50 is: 5,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.90 : 11,322.72 = 3,649.50 : x
  2. Step 2: Convert to fraction form
    7,547.90/11,322.72 = 3,649.50/x
  3. Step 3: Cross multiply
    7,547.90x = 11,322.72 × 3,649.50
  4. Step 4: Simplify right side
    7,547.90x = 41,322,266.64
  5. Step 5: Solve for x
    x = 41,322,266.64/7,547.90
  6. Step 6: Final answer
    x = 5,474.67

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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.