Home / 7,615.56-10,503.36-4,780.32

Finding the Fourth Proportional to 7,615.56, 10,503.36 and 4,780.32

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Solution

The fourth proportional to 7,615.56, 10,503.36 and 4,780.32 is: 6,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.56 : 10,503.36 = 4,780.32 : x
  2. Step 2: Convert to fraction form
    7,615.56/10,503.36 = 4,780.32/x
  3. Step 3: Cross multiply
    7,615.56x = 10,503.36 × 4,780.32
  4. Step 4: Simplify right side
    7,615.56x = 50,209,421.88
  5. Step 5: Solve for x
    x = 50,209,421.88/7,615.56
  6. Step 6: Final answer
    x = 6,593.00

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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.