Home / 7,672.13-10,587.93-4,315.49

Finding the Fourth Proportional to 7,672.13, 10,587.93 and 4,315.49

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Solution

The fourth proportional to 7,672.13, 10,587.93 and 4,315.49 is: 5,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.13 : 10,587.93 = 4,315.49 : x
  2. Step 2: Convert to fraction form
    7,672.13/10,587.93 = 4,315.49/x
  3. Step 3: Cross multiply
    7,672.13x = 10,587.93 × 4,315.49
  4. Step 4: Simplify right side
    7,672.13x = 45,692,106.04
  5. Step 5: Solve for x
    x = 45,692,106.04/7,672.13
  6. Step 6: Final answer
    x = 5,955.60

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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.