Home / 7,289.88-10,056.60-4,771.05

Finding the Fourth Proportional to 7,289.88, 10,056.60 and 4,771.05

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Solution

The fourth proportional to 7,289.88, 10,056.60 and 4,771.05 is: 6,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.88 : 10,056.60 = 4,771.05 : x
  2. Step 2: Convert to fraction form
    7,289.88/10,056.60 = 4,771.05/x
  3. Step 3: Cross multiply
    7,289.88x = 10,056.60 × 4,771.05
  4. Step 4: Simplify right side
    7,289.88x = 47,980,541.43
  5. Step 5: Solve for x
    x = 47,980,541.43/7,289.88
  6. Step 6: Final answer
    x = 6,581.80

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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.