Home / 6,915.80-10,373.77-1,721.67

Finding the Fourth Proportional to 6,915.80, 10,373.77 and 1,721.67

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Solution

The fourth proportional to 6,915.80, 10,373.77 and 1,721.67 is: 2,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.80 : 10,373.77 = 1,721.67 : x
  2. Step 2: Convert to fraction form
    6,915.80/10,373.77 = 1,721.67/x
  3. Step 3: Cross multiply
    6,915.80x = 10,373.77 × 1,721.67
  4. Step 4: Simplify right side
    6,915.80x = 17,860,208.60
  5. Step 5: Solve for x
    x = 17,860,208.60/6,915.80
  6. Step 6: Final answer
    x = 2,582.52

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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.