Home / 10,407.81-15,616.84-4,860.35

Finding the Fourth Proportional to 10,407.81, 15,616.84 and 4,860.35

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Solution

The fourth proportional to 10,407.81, 15,616.84 and 4,860.35 is: 7,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.81 : 15,616.84 = 4,860.35 : x
  2. Step 2: Convert to fraction form
    10,407.81/15,616.84 = 4,860.35/x
  3. Step 3: Cross multiply
    10,407.81x = 15,616.84 × 4,860.35
  4. Step 4: Simplify right side
    10,407.81x = 75,903,247.34
  5. Step 5: Solve for x
    x = 75,903,247.34/10,407.81
  6. Step 6: Final answer
    x = 7,292.91

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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.