Home / 9,135.95-13,703.91-2,210.45

Finding the Fourth Proportional to 9,135.95, 13,703.91 and 2,210.45

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Solution

The fourth proportional to 9,135.95, 13,703.91 and 2,210.45 is: 3,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.95 : 13,703.91 = 2,210.45 : x
  2. Step 2: Convert to fraction form
    9,135.95/13,703.91 = 2,210.45/x
  3. Step 3: Cross multiply
    9,135.95x = 13,703.91 × 2,210.45
  4. Step 4: Simplify right side
    9,135.95x = 30,291,739.34
  5. Step 5: Solve for x
    x = 30,291,739.34/9,135.95
  6. Step 6: Final answer
    x = 3,315.67

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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.