Home / 9,403.02-12,975.30-5,625.45

Finding the Fourth Proportional to 9,403.02, 12,975.30 and 5,625.45

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Solution

The fourth proportional to 9,403.02, 12,975.30 and 5,625.45 is: 7,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.02 : 12,975.30 = 5,625.45 : x
  2. Step 2: Convert to fraction form
    9,403.02/12,975.30 = 5,625.45/x
  3. Step 3: Cross multiply
    9,403.02x = 12,975.30 × 5,625.45
  4. Step 4: Simplify right side
    9,403.02x = 72,991,901.39
  5. Step 5: Solve for x
    x = 72,991,901.39/9,403.02
  6. Step 6: Final answer
    x = 7,762.60

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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.