Home / 7,851.40-10,835.10-4,314.67

Finding the Fourth Proportional to 7,851.40, 10,835.10 and 4,314.67

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Solution

The fourth proportional to 7,851.40, 10,835.10 and 4,314.67 is: 5,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.40 : 10,835.10 = 4,314.67 : x
  2. Step 2: Convert to fraction form
    7,851.40/10,835.10 = 4,314.67/x
  3. Step 3: Cross multiply
    7,851.40x = 10,835.10 × 4,314.67
  4. Step 4: Simplify right side
    7,851.40x = 46,749,853.83
  5. Step 5: Solve for x
    x = 46,749,853.83/7,851.40
  6. Step 6: Final answer
    x = 5,954.34

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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.