Home / 7,762.02-10,711.53-4,225.20

Finding the Fourth Proportional to 7,762.02, 10,711.53 and 4,225.20

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Solution

The fourth proportional to 7,762.02, 10,711.53 and 4,225.20 is: 5,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.02 : 10,711.53 = 4,225.20 : x
  2. Step 2: Convert to fraction form
    7,762.02/10,711.53 = 4,225.20/x
  3. Step 3: Cross multiply
    7,762.02x = 10,711.53 × 4,225.20
  4. Step 4: Simplify right side
    7,762.02x = 45,258,356.56
  5. Step 5: Solve for x
    x = 45,258,356.56/7,762.02
  6. Step 6: Final answer
    x = 5,830.74

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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.