Home / 7,389.02-10,193.63-4,867.89

Finding the Fourth Proportional to 7,389.02, 10,193.63 and 4,867.89

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Solution

The fourth proportional to 7,389.02, 10,193.63 and 4,867.89 is: 6,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.02 : 10,193.63 = 4,867.89 : x
  2. Step 2: Convert to fraction form
    7,389.02/10,193.63 = 4,867.89/x
  3. Step 3: Cross multiply
    7,389.02x = 10,193.63 × 4,867.89
  4. Step 4: Simplify right side
    7,389.02x = 49,621,445.20
  5. Step 5: Solve for x
    x = 49,621,445.20/7,389.02
  6. Step 6: Final answer
    x = 6,715.57

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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.