Home / 7,423.02-10,242.36-4,590.72

Finding the Fourth Proportional to 7,423.02, 10,242.36 and 4,590.72

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Solution

The fourth proportional to 7,423.02, 10,242.36 and 4,590.72 is: 6,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.02 : 10,242.36 = 4,590.72 : x
  2. Step 2: Convert to fraction form
    7,423.02/10,242.36 = 4,590.72/x
  3. Step 3: Cross multiply
    7,423.02x = 10,242.36 × 4,590.72
  4. Step 4: Simplify right side
    7,423.02x = 47,019,806.90
  5. Step 5: Solve for x
    x = 47,019,806.90/7,423.02
  6. Step 6: Final answer
    x = 6,334.32

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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.