Home / 7,509.02-11,256.18-4,178.86

Finding the Fourth Proportional to 7,509.02, 11,256.18 and 4,178.86

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Solution

The fourth proportional to 7,509.02, 11,256.18 and 4,178.86 is: 6,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.02 : 11,256.18 = 4,178.86 : x
  2. Step 2: Convert to fraction form
    7,509.02/11,256.18 = 4,178.86/x
  3. Step 3: Cross multiply
    7,509.02x = 11,256.18 × 4,178.86
  4. Step 4: Simplify right side
    7,509.02x = 47,037,986.16
  5. Step 5: Solve for x
    x = 47,037,986.16/7,509.02
  6. Step 6: Final answer
    x = 6,264.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.