Home / 7,353.48-10,145.16-4,700.64

Finding the Fourth Proportional to 7,353.48, 10,145.16 and 4,700.64

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Solution

The fourth proportional to 7,353.48, 10,145.16 and 4,700.64 is: 6,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.48 : 10,145.16 = 4,700.64 : x
  2. Step 2: Convert to fraction form
    7,353.48/10,145.16 = 4,700.64/x
  3. Step 3: Cross multiply
    7,353.48x = 10,145.16 × 4,700.64
  4. Step 4: Simplify right side
    7,353.48x = 47,688,744.90
  5. Step 5: Solve for x
    x = 47,688,744.90/7,353.48
  6. Step 6: Final answer
    x = 6,485.19

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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.