Home / 7,018.40-10,526.08-2,088.08

Finding the Fourth Proportional to 7,018.40, 10,526.08 and 2,088.08

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Solution

The fourth proportional to 7,018.40, 10,526.08 and 2,088.08 is: 3,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.40 : 10,526.08 = 2,088.08 : x
  2. Step 2: Convert to fraction form
    7,018.40/10,526.08 = 2,088.08/x
  3. Step 3: Cross multiply
    7,018.40x = 10,526.08 × 2,088.08
  4. Step 4: Simplify right side
    7,018.40x = 21,979,297.13
  5. Step 5: Solve for x
    x = 21,979,297.13/7,018.40
  6. Step 6: Final answer
    x = 3,131.67

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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.